3221331441431 has 8 divisors (see below), whose sum is σ = 3239472921600. Its totient is φ = 3203203251960.

The previous prime is 3221331441421. The next prime is 3221331441437. The reversal of 3221331441431 is 1341441331223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221331441431 is a prime.

It is a super-2 number, since 2×3221331441431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221331441437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836361 + ... + 3806258.

It is an arithmetic number, because the mean of its divisors is an integer number (404934115200).

Almost surely, 2^{3221331441431} is an apocalyptic number.

3221331441431 is a deficient number, since it is larger than the sum of its proper divisors (18141480169).

3221331441431 is a wasteful number, since it uses less digits than its factorization.

3221331441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645349.

The product of its digits is 20736, while the sum is 32.

Adding to 3221331441431 its reverse (1341441331223), we get a palindrome (4562772772654).

The spelling of 3221331441431 in words is "three trillion, two hundred twenty-one billion, three hundred thirty-one million, four hundred forty-one thousand, four hundred thirty-one".